Force steadiness: from motor units to voluntary actions

RM Enoka, D Farina - Physiology, 2021‏ - journals.physiology.org
Voluntary actions are controlled by the synaptic inputs that are shared by pools of spinal
motor neurons. The slow common oscillations in the discharge times of motor units due to …

Sex differences in motor unit behaviour: A review

T Lulic-Kuryllo, JG Inglis - Journal of Electromyography and Kinesiology, 2022‏ - Elsevier
The lack of systematic investigations on sex-related differences in motor unit behaviour
poses a challenge in understanding and optimizing health and performance in males and …

Analysis of motor unit spike trains estimated from high-density surface electromyography is highly reliable across operators

F Hug, S Avrillon, A Del Vecchio, A Casolo… - Journal of …, 2021‏ - Elsevier
There is a growing interest in decomposing high-density surface electromyography
(HDsEMG) into motor unit spike trains to improve knowledge on the neural control of muscle …

A convolutional neural network to identify motor units from high-density surface electromyography signals in real time

Y Wen, S Avrillon, JC Hernandez-Pavon… - Journal of neural …, 2021‏ - iopscience.iop.org
Objectives. This paper aims to investigate the feasibility and the validity of applying deep
convolutional neural networks (CNN) to identify motor unit (MU) spike trains and estimate …

[HTML][HTML] Tutorial: Analysis of central and peripheral motor unit properties from decomposed High-Density surface EMG signals with openhdemg

G Valli, P Ritsche, A Casolo, F Negro… - … of Electromyography and …, 2024‏ - Elsevier
Abstract High-Density surface Electromyography (HD-sEMG) is the most established
technique for the non-invasive analysis of single motor unit (MU) activity in humans. It …

Less common synaptic input between muscles from the same group allows for more flexible coordination strategies during a fatiguing task

J Rossato, K Tucker, S Avrillon… - Journal of …, 2022‏ - journals.physiology.org
This study aimed to determine whether neural drive is redistributed between muscles during
a fatiguing isometric contraction, and if so, whether the initial level of common synaptic input …

Surface EMG cross talk quantified at the motor unit population level for muscles of the hand, thigh, and calf

CM Germer, D Farina, LA Elias… - Journal of applied …, 2021‏ - journals.physiology.org
Cross talk is an important source of error in interpreting surface electromyography (EMG)
signals. Here, we aimed at characterizing cross talk for three groups of synergistic muscles …

Motor unit modes in the calf muscles during a submaximal isometric contraction are changed by brief stretches

LE Weinman, A Del Vecchio, MR Mazzo… - The Journal of …, 2024‏ - Wiley Online Library
The purpose of our study was to investigate the influence of a stretch intervention on the
common modulation of discharge rate among motor units in the calf muscles during a …

Correlation networks of spinal motor neurons that innervate lower limb muscles during a multi‐joint isometric task

F Hug, S Avrillon, A Sarcher… - The Journal of …, 2023‏ - Wiley Online Library
Movements are reportedly controlled through the combination of synergies that generate
specific motor outputs by imposing an activation pattern on a group of muscles. To date, the …